水滑石与海泡石复合材料对有机染料的光催化降解性能

水滑石与海泡石复合材料对有机染料的光催化降解性能ChineseJournalofCatalysis39(2018)1832–1841催化学报2018年第39卷第11期|www.cjcatal.orgavailableatwww.sciencedirect.comjournalhomepage:www.elsevier.com/locate/chnjcArticleFacilepreparationofsepiolite@LDHcompositesforthevisible‐lightdegradationoforganicdyesLiJin,Hong‐YanZeng*,ShengXu,Chao‐RongChen,Heng‐ZhiDuan,Jin‐ZeDu,GuoHu,Yun‐XinSunCollegeofChemicalEngineering,XiangtanUniversity,Xiangtan411105,Hunan,ChinaARTICLEINFOABSTRACTArticlehistory:Received15April2018Accepted4June2018Published5November2018Sepiolite@LDH(Sep@LDH)compositesweredesignedandpreparedbasedontheassemblyoflayereddoublehydroxides(LDH)onacidifiedsepiolites(Sep)forthesimultaneousphotocatalyticdegradationofmethylorange(MO)andmethyleneblue(MB).Thestructure,morphology,texture,opticalproperties,andphotocatalyticperformanceofthepreparedSep@LDHwerestudiedinde‐tail.AmongtheSep@LDHcomposites,Sep4@LDH(4.0gSep)exhibitedthehighestphotocatalyticactivityundervisible‐lightirradiation,whichcouldbeattributedtoitslargesurfaceare